ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,396, issued on Nov. 11, was assigned to NEC Corp. (Tokyo).
"Rollback protection with ephemeral identities for tee-based consensus protocols" was invented by Sergey Fedorov (Heidelberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rollback protection method for preventing message equivocation in a consensus system is provided. The consensus system includes distributed computational nodes connected by a network and configured to run a TEE-based consensus protocol. The method includes: executing, within a trusted execution environment of a node of distributed computational nodes, a trusted component instance, that includes volatile protecte...